Textron Cessna SK208-166 User manual

Caravan SERVICE KIT
SK208-166
TITLE
CONTROL QUADRANT MODIFICATION
EFFECTIVITY
Model Serial Numbers
208 20800001 thru 20800395
208B 208B0001 thru 208B1170
DESCRIPTION
This service kit gives parts and instructions to install a new control quadrant cover, fuel condition lever (FCL),
emergency power lever (EPL) and emergency power control cable bracket.
APPROVAL
FAA approval has been obtained on technical data in this publication that affects airplane type design.
REFERENCE
CAB06-3
CHANGE IN WEIGHT AND BALANCE
Negligible
March 20, 2006 Page 1 of 8
To obtain satisfactory results, procedures specified in this publication must be accomplished in accordance with accepted methods and
prevailing government regulations. Cessna Aircraft Company cannot be responsible for the quality of work performed in accomplishing the
requirements of this publication.
Cessna Aircraft Company, Product Support, P.O. Box 7706, Wichita, Kansas 67277, U.S.A. [phone], Facsimile [phone]
COPYRIGHT © 2006

SERVICE KIT
SK208-166
MATERIAL INFORMATION
The parts below cover installation for one airplane.
NEW P/N QUANTITY DESCRIPTION OLD P/N DISPOSITION
SK208-166 1Kit, consisting of the
following parts:
AN3-4A 1 Bolt None
AN3-5A 2 Bolt None
AN23-15 1 Bolt
MS21045-3 3Nut None
MS24665-86 2Cotter Pin Same
NAS1149F0332P 1 Washer None
NAS1149F0363P 2 Washer None
1250025-1 1 Retainer None
2650112-8 1 Mount 2650112-2
and
2650112-6
Discard
1 Instructions
In addition to the SK208-166 kit, airplanes with a 600 SHP engine installed, order the following part.
NEW P/N QUANTITY DESCRIPTION OLD P/N DISPOSITION
SL6004-11 1 Lever SL6004-1 Discard
In addition to the SK208-166 kit, airplanes with a 675 SHP engine installed, order the following part.
NEW P/N QUANTITY DESCRIPTION OLD P/N DISPOSITION
SL6004-8 1 Lever SL6004-1 Discard
In addition to the SK208-166 kit, airplanes with a standard control quadrant cover installed, order the
following parts.
NEW P/N QUANTITY DESCRIPTION OLD P/N DISPOSITION
SL6004-9 1 Lever SL6004-3 Discard
2613048-22 1 Cover Assembly 2613048 Discard
In addition to the SK208-166 kit, British Certified airplanes, order the following parts.
NEW P/N QUANTITY DESCRIPTION OLD P/N DISPOSITION
SL6004-10 1 Lever SL6004-5 Discard
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SERVICE KIT
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2601455-18 1 Cover Assembly 2601455 Discard
2601455-13 1 Guard Assembly 2601455 Discard
In addition to the SK208-166 kit, airplanes without Engine Trend Monitoring (ETM) installed, order the
following parts.
NEW P/N QUANTITY DESCRIPTION OLD P/N DISPOSITION
C489003 12 inches Wire Same Discard
MS21042L08 1Nut Same Discard
Airplanes without ETM installed, the following materials, or equivalent, are necessary.
NAME NUMBER MANUFACTURER USE
Alodine 1132
Marker U074093 Cessna Aircraft Company Cessna Parts Distribution
5800 East Pawnee
PO Box 1521
Wichita, KS 67218
To apply to bare metal.
ACCOMPLISHMENT INSTRUCTIONS
1. Prepare the airplane for maintenance.
A. Make sure that all switches are in the OFF/NORM position.
B. Disconnect electrical power from the airplane.
(1) Disconnect the airplane battery.
(2) Disconnect external electrical power.
C. Attach maintenance warning tags to the battery and external power receptacle that have "DO NOT
CONNECT ELECTRICAL POWER - MAINTENANCE IN PROGRESS" writtenonthem.
2. (Refer to Figure 1, Detail A.) Remove the control quadrant cover and keep the screws that attach it.
A. Remove and keep the emergency power lever, the propeller speed control lever, and fuel condition
lever knobs and hardware.
B. (Airplanes with Engine Trend Monitoring (ETM) installed) Discard the control column cover.
C. (Airplanes without ETM installed) Temporarily keep the control column cover to match drill the
shear-wire hole in the new control column cover that will be installed in a later step.
3. Replace the emergency power lever and fuel condition lever.
A. Disconnect the elevator trim cable assembly from the elevator trim wheel as necessary. (Refer to
the Maintenance Manual, Chapter 27, Elevator Trim - Maintenance Manual.)
B. Remove the elevator trim wheel from the control quadrant shaft. Keep the hardware.
C. Remove the quadrant assembly. (Refer to the Maintenance Manual, Chapter 76, Quadrant
Assembly and Controls - Maintenance Practices.)
D. (Refer to Figure 1, Detail B.) Remove the shaft and quadrant axle while you hold the stack-up of
spacers and other hardware together.
E. Remove and discard the fuel condition lever and emergency power lever.
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SERVICE KIT
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F. Install the SL6004-8 Emergency Power Lever (675 SHP engine) or SL6004-11 Emergency Power
Lever (600 SHP engine) and the SL6004-9 Fuel Condition Lever (Standard) or the SL6004-10 Fuel
Condition Lever (British certified airplanes) with the kept shaft and spacers.
G. Assemble the quadrant.
H. Install the quadrant assembly. (Refer to the Maintenance Manual, Chapter 76, Quadrant Assembly
and Controls - Maintenance Practices.)
I. Rig the emergency power lever annunciator light switch.
J. Install the elevator trim wheel with the kept hardware.
K. Connect the elevator trim cable assembly to the elevator trim wheel.
L. Rig the elevator trim. (Refer to the Maintenance Manual, Chapter 27, Elevator Trim - Maintenance
Manual.)
4. (Refer to Figure 1, Detail C.) Replace the emergency power control cable bracket.
A. Get access to the bracket for the emergency power control cable by opening the right engine cowling.
B. Disconnect the starter-generator cooling hose from the starter-generator to get access to the
emergency power control cable bracket.
C. Remove the emergency power control cable from the manual override arm. Keep the hardware
that attaches it.
D. Remove the emergency power control cable bracket from the fuel control unit and from the control
cable. Keep the 2650064-2 Bracket, 2650064-3 Bracket, 2650065-1 Bolt and two NAS509-3 Nuts.
Discard all other control cable retaining brackets, spacers and hardware.
E. Assemble the 2650064-2 Bracket, the 2650064-3 Bracket and the 2650112-8 Mount with two each
AN3-5A Bolts, NAS1149F0363P Washers and MS21045-3 Nuts.
F. Install the brackets on the fuel control unit with the kept 2650065-1 Bolt and two NAS509-3 Nuts.
Safety wire the nuts. (Refer to the Maintenance Manual, Chapter 20, Safetying - Maintenance
Practices.)
G. Install the control cable on the mount with one each 1250025-1 Retainer, AN3-4A Bolt,
NAS1149F0332P Washer and MS21045-3 Nut.
H. Connect the starter-generator cooling hose to the starter-generator.
5. (Refer to Figure 1, Detail C.) Do an initial rig of the emergency power control.
A. Loosen the nut that attaches the manual override arm of the fuel control unit on its shaft enough
to allow the arm to rotate.
B. Change the position of the manual override arm so that its centerline is aligned with the stop on
the manual override shaft, +7 or - 7 degrees.
C. Tighten the nut that holds the manual override arm in place. Attach the nut with one MS24665-86
Cotter Pin.
D. Attach the emergency power control cable to the manual override arm with the kept hardware and
one MS24665-86 Cotter Pin.
E. Make sure that the head of the bolt does not interfere with surrounding structure. If interference is
noted, replace the bolt with an AN23-15 Bolt.
6. Connect the airplane battery.
7. Rig the emergency power control. (Refer to the Maintenance Manual, Chapter 76, Engine Control Rigging
- Maintenance Practices.)
8. Disconnect the airplane battery.
9. Close the right engine cowling.
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SERVICE KIT
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10. (Refer to Figure 1, Detail A.) Install the new quadrant cover assembly. (Refer to the Maintenance Manual,
Chapter 76, Quadrant Assembly and Controls - Maintenance Practices.)
A. (Airplanes without ETM installed) Install shear wire and quadrant cover.
(1) Use the kept control column cover as a guide and mark the shear-wire hole location on the
new 2613048-22 Cover Assembly (standard) or 2601455-13 Guard and 2601455-18 Cover
Assembly (British).
(2) Match drill a 0.172-inch diameter hole through the cover. British Certified airplanes, enlarge the
hole in the 2601455-18 Cover Assembly only to 0.438 inch diameter. Deburr the hole.
(3) Apply Alodine to the hole.
(4) Reinstall the kept screw, washer and one new MS21042L08 Nut in the new hole.
(5) Install the 2613048-22 Cover Assembly (standard) or 2601455-18 Cover Assembly (British)
with the 2601455-13 Guard Assembly and the kept screws.
(6) Install one C489003 Wire, cut to length, with the double-twist method around the emergency
power lever. (Refer to the Maintenance Manual, Chapter 20, Safetying - Maintenance
Practices.)
B. (Airplanes with ETM installed) Install the 2613048-22 Cover Assembly (standard) or 2601455-18
Cover Assembly (British) with the 2601455-13 Guard and the kept screws.
C. Install the kept knobs on the new levers with the kept hardware.
11. Remove maintenance warning tags and connect the airplane battery.
12. Make an entry in the airplane logbook stating this Service Kit has been installed.
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Figure 1. Control Quadrant Modification (Sheet 1)
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SERVICE KIT
SK208-166
Figure 1. Control Quadrant Modification (Sheet 2)
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SERVICE KIT
SK208-166
Figure 1. Control Quadrant Modification (Sheet 3)
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